Wellness
Smart Rings Explained: Sleep and Recovery Tracking You Barely Notice
Smart rings track sleep, heart rate and recovery from your finger. Here is what they measure, how they compare with watches, and what to check before...
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Technology
Hybrid Smartwatches: Health Tracking Without Giving Up a Real Watch
Hybrid watches hide sensors behind a traditional analogue dial. Here is what they can track, what they cannot, and who they suit.